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Accuracy Formula Clarification



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Posted 08 March 2021 - 02:32 AM #1

Omicron

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Hello everyone,

This update is just a small clarification to the previous accuracy rework. A few days ago, we significantly boosted the accuracy over the original OSRS formula according to player feedback (without a server reboot). Since adjusting this, we haven't heard too many complaints, but we've worked out a precise formula and a way to check what your accuracy is (while in combat) and be able to compare it directly with what it would be in OSRS. We hope that this information will help players to better understand accuracy with different weapons, and the advantage that they have on Alora as compared to OSRS. In most cases, as players have already noticed, it will be more difficult to hit monsters if you're not using the correct style.

With that being said, we feel that we've given purpose to many neglected weapons, and using different styles on certain bosses (including popular ones, such as Zulrah) now actually matters, which is something that we think will benefit the game longterm and provide a more interesting gameplay for our community. Still, we've given a significant boost to the original OSRS accuracy, and we've made that transparent with the ;;maxhit command. Here's a table to show an approximation of what you can expect from the new accuracy formula:
m2gqm8D.png

Of course, the easiest way to see the difference is to type ;;maxhit while in combat with an NPC. You can also then see what weapons provide higher accuracy, and how much of an effect different potions & prayers have on your accuracy. One thing to keep in mind is that at the moment, your special attack accuracy boost is not factored into the ;;maxhit command. Certain special attacks, such as the Armadyl godsword, provide a huge accuracy boost (Double accuracy for the AGS), so you will have to take that into account manually for the time being. A few examples of this command printing out your accuracy depending on your combat style:
tyeFMUZ.png

xPXF2FU.png

egVcu3R.png


For those of you who are interested in the nitty-gritty of it, we start with the exact OSRS accuracy formula (tested against multiple online calculators/sources) and we perform the following modifications on your chance to hit:

  • We take your initial accuracy (eg. 40% chance to hit), and we subtract it from 100%. This gives us 60%, or 0.6, and we multiply that by 75%.
    • 75% * 0.6 = 45%, and this will be your accuracy multiplier.
  • Then, we take your chance to hit (40% in this case, or 0.4) and simply multiply it by 10%
    • 10% * 0.4 = 4%, and this will be the final amount added to your percentage chance.
  • Final step:
    • We take our initial chance to hit which was 40%, and we will multiply it by 1.45 to make it 45% higher.
      • Then, we add the second value (4%) to get our final number:
        • In this particular case, we take a 40% chance to hit on OSRS, and turn it into a 62% chance to hit on Alora.
          • 40% * 1.45 = 58% (multiply by the multiplier from step 1)
          • 58% + 4% = 62% (Add the amount we calculated in step 2)

Hopefully this thread was able to shed some light on the new changes, and also to provide some accurate in-game information to help you set up your loadout when PvMing.

Regards,
Omicron & Chad



Posted 08 March 2021 - 02:53 AM #2

War
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Looks great! Thanks for your continued efforts to improve upon the game, accuracy and bring knowledge to the updates and decisions behind them. 


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Posted 08 March 2021 - 02:56 AM #3

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Thanks for clearing this up for everyone, hopefully now everyone will have a better understanding!


Thanks for clearing this up for everyone, hopefully now everyone will have a better understanding!


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Posted 08 March 2021 - 03:07 AM #4

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Thanks for the clarification. Appreciate your transparency and honesty with this update! Big updates means not everyone will be happy but it will get there - keep it up!
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Posted 08 March 2021 - 03:19 AM #5

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omi for math teacher :D, good informations to know.


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Posted 08 March 2021 - 03:35 AM #6

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Thank you for the clarification.

You mentioned there are some other small updates, could you elaborate:)?

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Posted 08 March 2021 - 04:06 AM #7

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Thanks for the accuracy update.  It's a heck of a lot of work, but 100% needed, if you ask me.

 

Hopefully, once all the bugs are fixed, inquisitors mace (crush), blade of saeldor (slash), and rapier (stab) will be able to finally shine. 


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Posted 08 March 2021 - 04:42 AM #8

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thanks for the clarification. the boost accuracy you had from original osrs accuracy, it seems pretty decent.

 

i hope everything will work well now ^^



Posted 08 March 2021 - 06:13 AM #9

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Thank you for the update and the clarification. 



Posted 08 March 2021 - 06:21 AM #10

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Great update and clarification for the rework! looking forward to test some more bosses with new gear


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Posted 08 March 2021 - 06:57 AM #11

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I'm a huge fan of this update/switch. Makes sense for the combat triangle and seems long overdue. Quite frankly, I'm enjoying it more and more. Makes sense since NPCs have weaknesses and strengths.

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Posted 08 March 2021 - 07:10 AM #12

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mhmm yes i agree, numbers yes.  -_-


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Posted 08 March 2021 - 07:37 AM #13

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Thanks for the update and the detailed explanation!


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Posted 08 March 2021 - 07:47 AM #14

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Thank you for the updates and well detailed explaination :)



Posted 08 March 2021 - 09:51 AM #15

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Nice to see something like this get finally implemented. Good stuff.


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Posted 08 March 2021 - 05:00 PM #16

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Thank you for the clarification.

You mentioned there are some other small updates, could you elaborate:)?

If you're referring to the accuracy updates, it's just the fact that we've added a more scalable rate, also Twisted bow was slightly off (not a huge percentage) but seems to be doing well after this update and matching up with the OSRS formula.

 

Aside from this, most of the other updates we're working on are queued up for the next full update, only a small handful were updated with this reboot:

  • A few special attacks were not properly boosting accuracy in PvM (not PvP, those ones were fine) including the AGS not having the intended 200% accuracy boost.
  • Fixed a bug where the Slayer plugin wouldn't properly update upon completing a task.
  • Added an option to the RuneLite menu entry to swap the "Talk-to" option with "Crush" for Wesley.


Posted 09 March 2021 - 01:13 AM #17

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The RuneLite menu entry swap is such QoL, thank you Omicron<3



Posted 09 March 2021 - 06:30 AM #18

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Awesome updates per usual, thanks Omicrom!




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